diff --git a/environments/ruby/Gemfile.lock b/environments/ruby/Gemfile.lock
index 7c2996b4..87abefd0 100644
--- a/environments/ruby/Gemfile.lock
+++ b/environments/ruby/Gemfile.lock
@@ -1,13 +1,20 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rack (2.0.6)
+    daemons (1.3.1)
+    eventmachine (1.2.7)
+    rack (2.0.8)
+    thin (1.7.2)
+      daemons (~> 1.0, >= 1.0.9)
+      eventmachine (~> 1.0, >= 1.0.4)
+      rack (>= 1, < 3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   rack
+  thin
 
 BUNDLED WITH
    1.15.1